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Subject[PATCH v2 1/4] pwm: sysfs: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
Date
Using these newer macros allows the compiler to remove the unused
structure and functions when !CONFIG_PM_SLEEP + removes the need to
mark pm functions __maybe_unused.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
v2: added tag (Uwe)
drivers/pwm/sysfs.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index 9903c3a7eced..c21b6046067b 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -433,7 +433,7 @@ static int pwm_class_resume_npwm(struct device *parent, unsigned int npwm)
return ret;
}

-static int __maybe_unused pwm_class_suspend(struct device *parent)
+static int pwm_class_suspend(struct device *parent)
{
struct pwm_chip *chip = dev_get_drvdata(parent);
unsigned int i;
@@ -464,20 +464,20 @@ static int __maybe_unused pwm_class_suspend(struct device *parent)
return ret;
}

-static int __maybe_unused pwm_class_resume(struct device *parent)
+static int pwm_class_resume(struct device *parent)
{
struct pwm_chip *chip = dev_get_drvdata(parent);

return pwm_class_resume_npwm(parent, chip->npwm);
}

-static SIMPLE_DEV_PM_OPS(pwm_class_pm_ops, pwm_class_suspend, pwm_class_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(pwm_class_pm_ops, pwm_class_suspend, pwm_class_resume);

static struct class pwm_class = {
.name = "pwm",
.owner = THIS_MODULE,
.dev_groups = pwm_chip_groups,
- .pm = &pwm_class_pm_ops,
+ .pm = pm_sleep_ptr(&pwm_class_pm_ops),
};

static int pwmchip_sysfs_match(struct device *parent, const void *data)
--
2.35.1
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